Science

Friday, 9 January 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Deimos
An eclipse of Deimos by Mars' shadow occurs on average 110 times per Martian year. Such an eclipse can last up to 4 hours.
Due to the short distance at which Deimos orbits Mars, these eclipses are most often total.
Liver
A healthy liver is essential for the brain to function correctly.
It is thanks to the fact that the liver controls the levels of ammonia and regulates plasma glucose ...
Liver
It is the second largest organ of the human body.
The first is the skin.
Mushrooms
All fungi are foreign organisms, they can only occur in habitats containing organic compounds.
Many species for their lives require a small amount of them. They can be saprophytes feeding on dead organic matter, or parasites developing at the expense of other, living organisms.
Fungi
You can pay a fortune for them.
The most valuable mushrooms are white truffles. PLN 330.000 ($82.130,96) was paid for a specimen weighing 1.5 kg.
Amber
Amber was used for incense.
It was used both during religious ceremonies and in hospitals because it was believed to accelerate recovery and help to concentrate.
Aurora
Auroras are not only present on our planet.
They were observed on all the giant planets in the solar system: Jupiter, Saturn, Uranus and Neptune.
Phobos
Phobos is a very small moon. Its dimensions are 26.8 x 21 x 18.4 km.
NASA
In July 1975, NASA launched a joint mission with the Soviet Union, called the Apollo-Soyuz Test Project.
The mission was a symbol of détente during the Cold War. Moreover, it was the last crewed U.S. spaceflight in a space capsule until 2020.
NASA
NASA officially opened on October 1st, 1958.